Prosečne GPS koordinate za poštanski broj 50579: 42.396, -94.629
Spisak gradova:
>> Rockwell City 50579, Iowa, Calhoun, GPS koordinate: 42.3961,-94.6292
Spisak gradova:
>> Rockwell City 50579, Iowa, Calhoun, GPS koordinate: 42.3961,-94.6292